<!DOCTYPE html>
<html lang="zh" xmlns:th="http://www.thymeleaf.org">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
</head>
<body>

<div th:each="item:${data}">
  <tr>
    <td th:text="${item.id}"></td>
    <td th:text="${item.user.username}"></td>
    <td th:text="${item.content}"></td>
  </tr>

</div>

<h2>test 页面</h2>

</body>
</html>